<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/login.do" method="post">
        <h2>登录</h2>
        <p>用户名： <input type="text" name="username" placeholder="请输入用户名"></p>
        <p>密&nbsp;&nbsp;码： <input type="password" name="password" placeholder="请输入密码"></p>
        <p><input type="submit" value="提交"></p>
    </form>
</body>
</html>